Ultriva has launched their hosted, subscription based eKanban service at www.kanban.com.  It's a .NET enabled online service for small to medium sized manufacturers to better align inventory and production with actual customer demand. It includes a wizard-based interface making it very easy to use.  This service could democratize the transition from push-based, forecasting based business models to pull-based, customer demand oriented business models for manufacturers that otherwise might not be able to afford a full blown enterprise scale collaborative electronic kanban solution.